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ADAPTIVE FUEL MONITOR DRIVE CYCLE

The Adaptive Fuel Monitor
is a continuous test and operates when-ever the engine is
running. It is controlled entirely by the On-Board
Diagnostics (OBD) system and monitors the system Fuel Trims.

Measurements made by the Adaptive Fuel Monitor tests
enables the On-Board Diagnostics software to adapt
to a deterioration in the sensors and the catalysts over a
period of time by utilising Long Term Fuel Trims.
The Jaguar X-Type uses two basic fuel control systems: